66 PEOBOSCINA. 



D. 921. On Nucleolites orbicularis (Phil.). Cornbrash. Thrapston. Figd. 



PL II. Fig. 2. 

 D. 902, 905, 906, 907, 925, 932, 934, 935, 936. Nine specimens on Nucleolites 



orbicularis from ditto. 



D. 908. On Nucleolites clunicularis (Phil.). Ditto. Ditto. 



D. 904. On Isocardia rostrata, Sow. Ditto. Ditto. 



D. 909, D. 914. On A rcomyaj 'urassi (Brongn.). Two specimens. Ditto. Ditto". 

 D. 910-912. On Homomya aff. ovalis (Sow.). Three specimens. Ditto. Ditto. 

 D. 913, D. 931. On Mollusca indet. Two specimens. Ditto. Ditto. 

 D. 922, D. 923, D. 926. Var. expansa, on Nucleolites orbicularis. Three 



specimens. Ditto. Ditto. 

 D. 2188. Var. expansa. Inferior Oolite. Near Leckhampton. Brodie Coll. 



3. Proboscina desoudini (Haime), 1854. 



SYNONYMY : 

 Stomatopora desoudini, Haime, 1854, Bry. jurass. : Mem. Soc. geol. France, 



ser. 2, t. v. p. 165, pi. vi. figs. 5a-b. 

 ,, Terquem, 1855, Pal. dep. Moselle, p. 30. 



,, ,, Terquem, 1868, in Jacquot, Descr. geol. min. dep. Moselle, 



p. 296. 

 Proboscina ,, Gregory, 1895, Eev. pt. ii. : Ann. Mag. Nat. Hist. 



ser. 6, vol. xvi. p. 448. 



Idmonea, stomatopor aides, "VValford, 1889, Bry. Shipton, pt. i. : Quart. Journ. 

 Geol. Soc. vol. xlv. p. 568, pi. xix. figs. 5, 6. 



DIAGNOSIS : 



Zoarium very irregular. Composed of narrow bands anasto- 

 mosing to an irregular network. Each band from one to three 

 zooecia in width. 



Zocecia narrow ; of medium length ; often slightly sinuous. In 

 crowded areas some zooecia become pyriform. 1 Transverse ribbing 

 well marked. 



Peristomes slightly raised. 



Formula. p, c, I, r= 1', 2, 2, 1-2. 



DISTRIBUTION. 

 ENGLAND : 



Cornbrash : Thrapston, Northamptonshire. 

 Inferior Oolite : Shipton. 

 FOREIGN : 



Bajocian: Longwy, France. 

 Bathonian : Moselle (fide Terquem). 



1 Haime shows some pyriform and others elongated and cylindrical. 



